Linux Professional Institute LPI 101-500 Practice Test 2025 – Your All-in-One Resource to Exam Success!

The daemon that handles power management events on a Linux system is acpid. This daemon specifically listens for Advanced Configuration and Power Interface (ACPI) events, which are crucial for managing power usage on laptops and other devices. It can respond to events such as closing a laptop lid, pressing the power button, or other system power state changes, triggering appropriate actions like suspending or shutting down the system.

The role of acpid is significant in providing a smooth and user-friendly experience regarding how the system handles power states, particularly in conserving battery life and responding to hardware changes. This makes it essential for managing events that affect the overall power management of the system.

Other options such as batteryd and powerd may suggest functionalities related to battery management and power efficiency, but they are not primarily responsible for directly handling the ACPI events like acpid does. inetd, on the other hand, is a daemon related to managing network services and is not related to power management at all.